/*
*  Konpeki Discord Bot - Utility Definition File
*  logging.js - A custom logging script to apply information to output
*
*  Though console.error() and console.warn() exist, they don't exactly fit what is wanted here.
*/

// Enum list of severity levels
const logLevels = {
	DEBUG: 0,
	INFO: 1,
	WARN: 2,
	ERROR: 3,
};

// Enum list of text colors
const textColor = {
	White: '\x1b[97m',
	Gray: '\x1b[37m',
	Yellow: '\x1b[33m',
	Red: '\x1b[91m',
	Blue: '\x1b[96m',
	Green: '\x1b[92m',
	Reset: '\x1b[0m',
};

// Get the current Date and Time
const date_time = new Date(new Date().toUTCString());
const datetime = '[' + ('0' + (date_time.getMonth() + 1)).slice(-2) + '/' + ('0' + date_time.getDate()).slice(-2) + '/' + date_time.getFullYear() + ' ' + ('0' + (date_time.getHours() + 1)).slice(-2) + ':' + ('0' + (date_time.getMinutes() + 1)).slice(-2) + ':' + ('0' + (date_time.getSeconds() + 1)).slice(-2) + ' UTC]';

// Add color to the text passed through - If a text manip util is made, move this there
const colorText = function(message, color) {
	return color + message + textColor.Reset;
};

// Print log message to console based on severity level
const log = function(logLevel, message) {
	// Used in the event the message is an error: see case 3
	const lines = message.toString().split('\n');

	switch (logLevel) {
	case 0:
		console.log(datetime + ' ' + colorText('[DEBUG]', textColor.Gray) + ' ' + message);
		break;
	case 1:
		console.log(datetime + ' ' + colorText('[INFO]', textColor.White) + ' ' + message);
		break;
	case 2:
		console.log(datetime + ' ' + colorText('[WARN]', textColor.Yellow) + ' ' + message);
		break;
	case 3:
		// Errors tend to have multiple lines, handle them specially to include the first two.
		console.log(datetime + ' ' + colorText('[ERROR]', textColor.Red) + ' ' + lines[0]);

		// If the error only has 1 line, don't try to read a second one
		if (lines[1] != null) {
			console.log(datetime + ' ' + colorText('[ERROR]', textColor.Red) + ' |   ' + lines[1].trim());
		}

		break;
	default:
		console.log(datetime + ' ' + colorText('[INFO]', textColor.White) + ' ' + message);
		break;
	}
};

module.exports = {
	logLevels,
	textColor,
	colorText,
	log,
};